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NTIS 바로가기한국지반신소재학회논문집 = Journal of the Korean Geosynthetics Society, v.17 no.1, 2018년, pp.139 - 152
김창호 (Korea Expressway Corp.) , 김봉용 (DongIl Engrg. Consul. Co., Ltd.) , 박태완 (Korea Expressway Corp.) , 김태형 (Dept. of Civil Engre., Korea Maritime and Ocean Univ.)
This study is an analysis of slope failure examples of cut sedimentary hills during construction road in Kyoungsang Basin, especially Yangsan Fault system (Ilkwang-Dongrae fault). This area involved a lot of hillslope failures compared to other areas during road construction. The exposed failure slo...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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발생한 파괴형태는 어떤 것인가? | 발생한 파괴형태는 원호파괴로 비탈면 중앙부에 발달한 단층대 및 단층 좌측부의 지반 불량, 절취에 따른 응력해방으로 인한 절리면에서의 인장균열과 점토층의 상호 작용에 의한 것으로 판단된다. Figs. | |
층리는 무엇인가? | 특히 퇴적암이 존재하는 지역에서는 층리라는 불연속면으로 인한 비탈면 파괴가 많이 발생되는 경향을 보인다. 층리란 퇴적 시기에 입자의 크기 및 방향, 광물학적 및 화학적인 요소의 변화에 의해 형성된 퇴적암의 면구조이다 (Park, 2002). 층리는 지구조 운동에 의하여 경사지고 구부려지고 다양한 방향으로 역전되어 불연속면 형태로 발전된다. | |
불연속면의 특성 파악이 중요한 이유는 무엇인가? | 특히 암반 비탈면과 같은 급경사지에서 불연속면의 특성 파악이 중요하다. 왜냐하면 비탈면의 불안정요인이 주로 단층, 층리, 절리 등과 같은 불연속면의 기하학적 및 역학적 특성에 크게 기인되기 때문이다(Lee and Kim, 2004). |
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